.container{
    width: 1200px;
    margin: 0 auto;
}
/* 头部head */
.head{
    border-bottom: 1px solid #aaa;
}
.head-logo{
    margin: 18px 0 0 32px;
}
.head-ul{
    position: absolute;
    top: 0; left: 50%;
    transform: translate(-50%,0);
}
.head-ul li{
    margin-right: 38px;
    line-height: 60px;
}
.head-ul li:last-child{
    margin-right: 0
}
.head-ul li:first-child{
    border-bottom: 3px solid #fff;
}
.head-ul li:hover{
    border-bottom: 3px solid #fff;
}
.head-ul li a{
    color: #fff;
}
.head-btn{
    line-height: 64px;
    margin-right: 30px;
}
.head-btn button{
    padding: 8px 14px;
    border-radius: 18px;
    cursor: pointer;
}
.head-btnl{
    color: #fff;
    margin-right: 10px;
    border: 2px solid #ccc;
}
.head-btnr{
    color: #fff;
    background: #ed510a;
}